From what I vaguely remember, and from what I’m reading, he should be casting deep slumber on the person second on threat. Instead, he’s sleeping the tank for basically 90% of the fight.
He is doing the same for me. I am protection spec and he hits me like he should until the sleep then sleeps me rather than DPS. If I was second on threat he wouldn’t be hitting me before the sleep. It doesn’t make sense.
He always hit the #1 threat target with that, it’s why some groups take a off tank or use other tricks to beat him. He was a hard fight due to that.
I think you’re right, because WoWhead is definitely wrong in this case.